Home / 4,913.07-7,370.96-2,139.98

Finding the Fourth Proportional to 4,913.07, 7,370.96 and 2,139.98

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Solution

The fourth proportional to 4,913.07, 7,370.96 and 2,139.98 is: 3,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.07 : 7,370.96 = 2,139.98 : x
  2. Step 2: Convert to fraction form
    4,913.07/7,370.96 = 2,139.98/x
  3. Step 3: Cross multiply
    4,913.07x = 7,370.96 × 2,139.98
  4. Step 4: Simplify right side
    4,913.07x = 15,773,659.43
  5. Step 5: Solve for x
    x = 15,773,659.43/4,913.07
  6. Step 6: Final answer
    x = 3,210.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.